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*Values are according to GSM Association Battery Life Measurement Technique. Battery performance may vary depending on network conditions and configurations, and phone usage.
**In compliance with IP55 and IP58, Xperia™ ™ Z Ultra is protected against the ingress of dust and is waterproof. Provided that all ports and covers are firmly closed, the phone is (i) protected against low pressure jets of water from all practicable directions in compliance with IP 55; and/or (ii) can be kept under 5ft (1.50m) of freshwater for up to 30 minutes in compliance with IP 58.

Features

Big Screen. Big Entertainment.

The Xperia Z Ultra from Sony has a 6.4in. Full HD TRILUMINOS™ Display with X-Reality for mobile, made for thrilling entertainment. Waterproof and ultra-slim, its lightweight allows you to enjoy it anywhere. The Snapdragon™ 800 quad-core processor means powerful performance while LTE offers amazing speed. Paired with its fantastic entertainment and business capability, Xperia Z Ultra brings you what you need, when you need it.

Ultra Large Display

Built with the latest Sony BRAVIA technology, Xperia Z Ultra is the first smartphone to incorporate TRILUMINOS Display for mobile, for a wider palette of rich natural colors – just like having a broader range of color pencils to draw from. This breakthrough technology includes X-Reality for mobile, Sony's intelligent display technology, which analyzes each image to optimize colors, sharpness and contrast for vivid image quality and sharp videos.

Ultra Slim and Lightweight

Designed with the utmost attention to detail, Xperia Z Ultra has been carefully crafted using clean lines and premium materials, taking Sony craftsmanship to a whole new level. Due to balance and symmetry in all directions, this big screen smartphone feels wonderful to hold. Both, front and back panels, are made of glass creating a seamless surface that's held together by an innovative metal frame. Impressively slim and light, this smartphone measures 0.26in. at 7.48oz.

Ultra Robust and Waterproof

Xperia Z Ultra is elegant and sleek, yet it's tougher than it looks. With an impressive rating of IP55 and IP58, Xperia Z Ultra isn't only dust resistant; it's waterproof too – giving you the freedom to capture HD images under water.

Ultra Business

Besides entertaining you, Xperia Z Ultra is the ideal business partner. The super responsive screen comes with handwriting recognition and works with a stylus or even an ordinary pencil. Be ready to jot down your best ideas the second they hit you. Write from a locked screen and even during calls. There's even a carbon-copy function that allows you to memorize notes and sketches. Prefer typing? Xperia Z Ultra can be set up to use a full keyboard or an easy-toggle keyboard, ideal for one-handed input. Truly multi-task and improve productivity with small apps so you don't lose any valuable time swapping between windows.

Ultra Connected

Xperia Z Ultra gives you a whole new level of connectivity with Sony's wide range NFC speakers, headsets, and TVs. Listen out loud. Easily pair and instantly share your photos, music, and more without cables, buttons, and unnecessary steps.

Better Battery Life

Smartphones use a lot of power, even when you're not actively using them. Battery STAMINA Mode helps with battery drain by recognizing when the phone's display is off and automatically turns off the functions you don't need, while keeping the notifications you want. As soon as you press the power button to wake up your screen, everything is up and running again.

Sony Entertainment Network

Download blockbuster movies or hit TV shows from Video Unlimited and enjoy millions of songs from Music Unlimited. Get all this and more from Sony Entertainment Network***, with a common sign-on ID and digital wallet through your smartphone. It's the perfect fit for a life full of entertainment.

***Sony Entertainment Network with Video Unlimited and Music Unlimited is available in select markets. Additional fees and charges may apply.

Unlocked Phone

This phone is not locked to any specific carrier and comes unlocked by the manufacturer. It can be used with a GSM network service provider of your choice. It does not come with a SIM card, and it requires that you provide a SIM card from your selected service provider.

The downloading of maps, games, music and videos and uploading of images and videos involves transferring large amounts of data. Your service provider may charge for the data transmission, and the availability of particular services and features may vary by carrier.

This phone comes with a limited one-year manufacturer's warranty in the U.S. with original purchase.

Rating: 5/5WOW!!!!

Pros: This phone is extremely fast. If you are looking for a large screen phone, this is the one! bigger and faster than the iPhone 6+ and it is very response for the touch screen. I use this for my mobile computer repair business and this is great for business owners.

Cons: the large screen does make it a little harder to find a case for the phone, but there are plenty out there. A couple of cases have built in 5000mAh battery.

Other Thoughts: Even though it is hard to find a case, it is not worth docking any eggs. This is the best phone I have ever used.

Rating: 1/5warranty not honored

Pros: great phone. Also own two xperia z1s. Z ultra size was perfect for my business. I was using the majority of the time with Square card reader. It was my go to device.

Cons: phone was purchased in July. Two weeks ago, it lost power in middle of the day. The phone was also very warm. Then, the phone would not boot up. Since it was still under warranty (1 year, stated in manual), I sent it to Laredo, TX service center for repairs. One week later, the phone was returned, unfixed, with message "mainboard failure, cannot be repaired". Contacted customer service again, and was told that there is nothing that can be done. No replacement. Nothing.

You CAN NOT change the IMEI on your att account, ONLY THE SIM. If an ATT rep changes the IMEI to match the one on this phone LTE will not work.

What this means: you will have to do 1 of the 3 things

If you have a working LTE phone with micro sim card just pull it out of old phone and put it in this baby.

If you have a working LTE phone right now, and it does not already have a mircro sim card (meaning your phone uses full size or nano) only get a new micro SIM card DO NOT let the att rep even see the phone. :) Because if you let them change the IMEI on your account LTE will not work.

If you do not have an LTE phone now on ATT, you will need add a working andriod, windows or IOS phone on your account that supports LTE then change the the SIM card.

Rating: 5/5great phone for the niche

Pros: this phone is a beast when it comes to specs. The screen is not only massive but is 1080p and amoled which helps the battery life. I have personally tested the water proofess and it works 100%. great battery life that can last me 1.5 days with heavy media consumption. the Sony apparently are a nice addition to android 4.4 soon to be 5.0 . great conversation starter. great build quality. camera has HDR.

Cons: below average speaker quality. would not pass a bend test. back of the phone scratches very easily. awkward to make and answer phonecalls with the size of it. the main camera doesn't have a flash.

Rating: 1/5Below expectation

Cons: Did not meet my expectation. Very low speaker sound, yellowish screen and very small fonts compared to the screen size. Worst smart phone I ever had and I had many.Really surprised by the good reviews about this phone.

Rating: 5/5Glass cannon

I can't stress enough how great it's big ol' 6.4" screen is. It's massive, and I wouldn't want it any other way. It's basically a tablet with phone capabilities.

The layout of the phone is great, and it feels solid, but also light in the hand.

The microphone picks up all sounds very well, and the speaker phone doesn't sound like garbage.

Video recordings are nice, and the ability to take pictures while recording video is cool.

Android 4.2, and the option to upgrade to Android 4.4 out of the box is nice (5.0 is coming soon).

The phone is very responsive, and has yet to show anything it lags with. Netflix playback is flawless over Wifi and LTE. Emulating PS1, N64, etc. works great.

Rooting it was very easy. The hardest steps were trying to understand the poorly written guides by XDA members.

The price was right at 1/2 the price of a Samsung Galaxy Note 4 or LG G3.

Cons: No Gorilla glass - not a big deal, but I prefer it over screen protectors and cases.

Other Thoughts: Some people said that their phone shattered "randomly" in their pockets. I think they are just putting their phone in their back pockets and forgetting that their rear end acts as a fulcrum on a nearly 8" long phone. Glass can break, but if you're not being stupid it wont.

For anyone trying to root this phone, this is the regular C6806 model, and is NOT the Google Play Edition (GPe) C6806. I spent a good amount of time trying to confirm this before rooting — as the GPe version's rooting steps can brick the standard C6806, and vice-versa.

Also, I recommend upgrading to Android 4.4 before attempting to root the device. I rooted on 4.2, and it prevented my upgrade through the official Sony update tool.

Another important note is to back up TA before unlocking your bootloader.

Rating: 5/5Excellent display, design, and performance

Pros: 1. Excellent design, very slim2. Very fast and smooth performance3. Pretty much anything can be used as a stylus e.g. pencils, keys, and regular stylus, of course!4. Beautiful 6'44" display with great viewing angles5. Waterproof6. Excellent music quality, aptX bluetooth streaming compatibility

Rating: 5/5Review after 4 months

Pros: Very large screenFrequent updates from Sony (android 4.3)Super fast cpu and gpu for a phoneVery thinBattery lasts me 2 days on a chargePlenty of cheap 3rd party stuff like chargers, cases, etc

Cons: Heavy for a phone (212g)ExpensiveScreen is just LCD, not IPS nor superamoledHorrid camera with no flash

Other Thoughts: The only complaint I have about this phone is the screen quality. It is NOT superamoled nor is it IPS. It is regular LCD which makes it.. not great. However, it is massive which for me, makes up for this. Overall when I compared this phone to a Note 3, this was the winner. If you take a lot of photos with your phone though, look elsewhere.

Through the Newegg EggXpert Review Program, Newegg invites its best reviewers, known as EggXperts, to post opinions about new and pre-release products to help their fellow customers make informed buying decisions.Click here for more details.

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